18-Geom-B6 Land Use Planning and Environmental Management · December 2013
Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams, December 2013 — 04-Geom-B6, Land Use, Planning & Environmental Management. Three-hour closed-book technical session. Format: seven questions of equal value (20 marks each); the paper directs that answering any five (5) of the seven constitutes a complete exam (100%), and the first five as they appear in the answer book are marked. All seven questions are solved in full below so the set serves as a complete study resource. Content is framed in the Canadian planning context (the Canadian Institute of Planners definition of planning; provincial planning legislation and official community plans; the British Columbia Protected Areas Strategy; the federal/provincial environmental-assessment regimes and the CSA/CCME contaminated-sites framework), consistent with the Engineers Canada / EGBC syllabus for this exam code.
Reference texts: G. Hodge & D. Gordon, Planning Canadian Communities: An Introduction to the Principles, Practice and Participants (Nelson, current ed.) — the standard Canadian reference for this exam code; Canadian Institute of Planners (CIP) definition and code-of-professional-conduct materials; World Commission on Environment and Development, Our Common Future (the Brundtland Report, 1987); ISO 14001, Environmental Management Systems — Requirements; CSA Z768, Phase I Environmental Site Assessment, and CSA Z769, Phase II ESA; Canadian Council of Ministers of the Environment (CCME) contaminated-sites guidance; the Impact Assessment Act (S.C. 2019) and provincial EA statutes; British Columbia Protected Areas Strategy (1993) and provincial planning statutes (e.g., BC Local Government Act; Ontario Planning Act, R.S.O. 1990, c. P.13).
Question text not reproduced: the examination questions are © Engineers and Geoscientists BC. Open the official past paper (linked at the top of this page) to read the question, then follow the worked solution below.
Answer: NO. Despite similar names, an environmental site assessment (ESA) and an environmental assessment (EA) are distinct instruments with different purposes, timing, legal frameworks, methods and outputs. They are frequently confused precisely because both concern “the environment,” but they answer opposite questions — an ESA looks backward at whether a property is already contaminated; an EA looks forward at the effects a proposed project would cause.
Environmental site assessment (ESA). An ESA investigates the existing environmental condition of a specific property, chiefly to determine whether soil or groundwater is (or may be) contaminated by past or present land uses. It is normally done in phases: Phase I (CSA Z768) is a records/interview/site-reconnaissance study to identify potential contamination and “areas of potential environmental concern” — no sampling; Phase II (CSA Z769) involves intrusive sampling and lab analysis to confirm and delineate contamination against regulatory criteria; and, if needed, Phase III remediation. Its trigger is typically a property transaction, financing or redevelopment (due diligence), its framework is the contaminated-sites regime (provincial contaminated-sites law and CCME/CSA standards), and its output is a report on the property’s contamination status and any clean-up required.
Environmental assessment (EA). An EA is a planning and regulatory process that predicts the future environmental effects of a proposed project or undertaking (a mine, highway, subdivision, dam) before it is approved, so those effects can be avoided, mitigated or weighed in the approval decision. It is triggered by a proposed undertaking that meets legislated thresholds, is carried out under the federal Impact Assessment Act or the equivalent provincial EA statute, and typically includes scoping, prediction of effects across environmental, social and economic values, mitigation, a significance determination, mandatory public and Indigenous consultation, and follow-up/monitoring. Its output is an EA report / decision statement with conditions of approval.
| Attribute | Environmental Site Assessment (ESA) | Environmental Assessment (EA) |
|---|---|---|
| Core question | Is this property already contaminated? (backward-looking) | What effects would this proposed project cause? (forward-looking) |
| Object | An existing parcel of land | A proposed project / undertaking |
| Typical trigger | Property transaction, financing, redevelopment (due diligence) | A proposal meeting legislated EA thresholds |
| Legal / technical framework | Contaminated-sites law; CSA Z768/Z769; CCME criteria | Impact Assessment Act / provincial EA statute |
| Method | Phase I records + reconnaissance; Phase II sampling; Phase III remediation | Scoping, effects prediction, mitigation, significance, public/Indigenous consultation, follow-up |
| Public consultation | Generally none (private due diligence) | Mandatory public and Indigenous participation |
| Output | Report on contamination status / remediation plan | EA report & decision statement with approval conditions |
In short, the two are complementary but different tools: an ESA might well be one input to a broader EA (or to the site design of an approved project), but it is not the same thing. Answering “yes” would confuse a property-level contamination investigation with a project-level effects-prediction and approval process.